Philipp Thomas discovered that the ppscan function of nasm contained an off-by-one error. If a user or automated system were tricked into assembling a specially crafted ASM file, a remote attacker could execute arbitrary commands with user privileges.
The problem can be corrected by updating your system to the following package versions:
30 September 2008
A security issue affects these releases of Ubuntu and its derivatives:
Philipp Thomas discovered that the ppscan function of nasm contained an off-by-one error. If a user or automated system were tricked into assembling a specially crafted ASM file, a remote attacker could execute arbitrary commands with user privileges.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system upgrade is sufficient to effect the necessary changes.
Vulmon